Good question, didn't know the holes would be that big. I've created quite a mine field with 3-4 huge holes where the first stumps came out. I could easily put the excavator on it's side if I drove into one, or my tractor so will get them filled very soon. I'll use my root grapple to clean up, quite a bit of debris and this is to be a garden area, probably fill then lawn soil/good soil. I'll be using my grader on my tractor, wishing I had a bull dozer lol!